Home / 2,922.86-4,379.01-1,605.18

Finding the Fourth Proportional to 2,922.86, 4,379.01 and 1,605.18

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Solution

The fourth proportional to 2,922.86, 4,379.01 and 1,605.18 is: 2,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.86 : 4,379.01 = 1,605.18 : x
  2. Step 2: Convert to fraction form
    2,922.86/4,379.01 = 1,605.18/x
  3. Step 3: Cross multiply
    2,922.86x = 4,379.01 × 1,605.18
  4. Step 4: Simplify right side
    2,922.86x = 7,029,099.27
  5. Step 5: Solve for x
    x = 7,029,099.27/2,922.86
  6. Step 6: Final answer
    x = 2,404.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.